AU599191B2 - Tdma system capable of individually controlling electric power of bursts - Google Patents

Tdma system capable of individually controlling electric power of bursts Download PDF

Info

Publication number
AU599191B2
AU599191B2 AU10362/88A AU1036288A AU599191B2 AU 599191 B2 AU599191 B2 AU 599191B2 AU 10362/88 A AU10362/88 A AU 10362/88A AU 1036288 A AU1036288 A AU 1036288A AU 599191 B2 AU599191 B2 AU 599191B2
Authority
AU
Australia
Prior art keywords
carrier waves
signal
electric power
attenuation
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU10362/88A
Other languages
English (en)
Other versions
AU1036288A (en
Inventor
Akio Saburi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP590887A external-priority patent/JPS63175526A/ja
Priority claimed from JP590987A external-priority patent/JPS63175527A/ja
Priority claimed from JP62005911A external-priority patent/JPS63175529A/ja
Priority claimed from JP62005910A external-priority patent/JPS63175528A/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of AU1036288A publication Critical patent/AU1036288A/en
Application granted granted Critical
Publication of AU599191B2 publication Critical patent/AU599191B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
AU10362/88A 1987-01-16 1988-01-18 Tdma system capable of individually controlling electric power of bursts Ceased AU599191B2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP590887A JPS63175526A (ja) 1987-01-16 1987-01-16 複数の搬送波を用いたｔｄｍａ方式
JP590987A JPS63175527A (ja) 1987-01-16 1987-01-16 複数搬送波ｔｄｍａ方式
JP62-5909 1987-01-16
JP62-5908 1987-01-16
JP62005911A JPS63175529A (ja) 1987-01-16 1987-01-16 搬送波電力可変ｔｄｍａ衛星通信装置
JP62-5911 1987-01-16
JP62-5910 1987-01-16
JP62005910A JPS63175528A (ja) 1987-01-16 1987-01-16 出力電力可変ｔｄｍａ衛星通信装置

Publications (2)

Publication Number Publication Date
AU1036288A AU1036288A (en) 1988-07-21
AU599191B2 true AU599191B2 (en) 1990-07-12

Family

ID=27454385

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10362/88A Ceased AU599191B2 (en) 1987-01-16 1988-01-18 Tdma system capable of individually controlling electric power of bursts

Country Status (5)

Country Link
US (1) US4905235A (de)
EP (1) EP0275118B1 (de)
AU (1) AU599191B2 (de)
CA (1) CA1288180C (de)
DE (1) DE3881063T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0817345B2 (ja) * 1989-02-03 1996-02-21 日本電気株式会社 衛星通信方式
KR950000054B1 (ko) * 1990-07-27 1995-01-07 가부시끼가이샤 도시바 자동파워 콘트롤장치
GB9214107D0 (en) 1992-07-03 1992-08-12 Ncr Int Inc Power control method in a wireless communication system
WO1994001940A1 (en) * 1992-07-09 1994-01-20 Spacial Communications Pty. Ltd. Method for determining design parameters
AU664111B2 (en) * 1992-07-09 1995-11-02 Spacial Communications Pty. Ltd. Method for determining design parameters
GB9215619D0 (en) * 1992-07-23 1992-09-09 Ncr Int Inc Method and apparatus for transmitting digital data packets on a wireless channel
JPH0779268B2 (ja) * 1993-03-11 1995-08-23 日本電気株式会社 衛星通信地球局の送信レベル制御装置
US5579306A (en) * 1994-09-01 1996-11-26 Ericsson Inc. Time and frequency slot allocation system and method
US5663957A (en) * 1995-07-12 1997-09-02 Ericsson Inc. Dual mode satellite/cellular terminal
US6975582B1 (en) 1995-07-12 2005-12-13 Ericsson Inc. Dual mode satellite/cellular terminal
US5790533A (en) * 1995-10-27 1998-08-04 Motorola, Inc. Method and apparatus for adaptive RF power control of cable access units
US6046990A (en) * 1995-11-15 2000-04-04 Ericsson, Inc. High-penetration transmission method for a radiocommunication system
US5822310A (en) * 1995-12-27 1998-10-13 Ericsson Inc. High power short message service using broadcast control channel
US6414945B1 (en) * 1995-12-27 2002-07-02 Ericsson Inc. High power short message service using TDMA frames and/or broadcast control channel
US6314081B1 (en) 1996-01-18 2001-11-06 Ericsson Inc. High power short message service using dedicated carrier frequency
US6219840B1 (en) * 1996-03-29 2001-04-17 Motorola, Inc. Method for assigning communication resources in a communication system
US5924015A (en) * 1996-04-30 1999-07-13 Trw Inc Power control method and apparatus for satellite based telecommunications system
US5933418A (en) * 1996-11-15 1999-08-03 Ericsson Inc. Method for increasing control channel capacity in a communication system
FI105866B (fi) * 1996-12-04 2000-10-13 Nokia Networks Oy Menetelmä tuottaa yleisten kanavien kantoaalto ja radiojärjestelmä
JP3053173B2 (ja) * 1998-01-13 2000-06-19 日本電気株式会社 移動体衛星通信方法およびシステム
CA2263277A1 (en) * 1998-03-04 1999-09-04 International Mobile Satellite Organization Carrier activation for data communications
US6320850B1 (en) 1998-04-24 2001-11-20 Trw Inc. Satellite communication adaptive control coding
US6421357B1 (en) 1998-06-24 2002-07-16 Ericsson Inc. High-penetration radiocommunication system using a compact character set
US7215650B1 (en) 1999-08-16 2007-05-08 Viasat, Inc. Adaptive data rate control for narrowcast networks
US6366776B1 (en) * 1999-09-29 2002-04-02 Trw Inc. End-to-end transmission techniques for a processing satellite system
US6466569B1 (en) * 1999-09-29 2002-10-15 Trw Inc. Uplink transmission and reception techniques for a processing satelliteation satellite
US6894990B1 (en) * 2000-10-13 2005-05-17 Viasat, Inc. IP multicasting in mesh TDMA satellite networks
GB2538791B (en) * 2015-05-29 2018-12-12 Avanti Communications Group Plc Satellite communication
GB2557628B (en) 2016-12-13 2020-01-01 Inmarsat Global Ltd Forward link power control

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6863087A (en) * 1986-02-10 1987-08-13 Nec Corporation Radio communications system with reduced D/U ratio variations
AU576719B2 (en) * 1985-02-08 1988-09-01 Nec Corporation Satellite tdma burst acqusition power levels
AU582488B2 (en) * 1985-11-29 1989-03-23 Harris Corporation Power control system for satellite communications

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038600A (en) * 1976-02-17 1977-07-26 Westinghouse Electric Corporation Power control on satellite uplinks
US4301533A (en) * 1979-11-27 1981-11-17 Bell Telephone Laboratories, Incorporated Technique for increasing the rain margin of a TDMA satellite communication system
US4495648A (en) * 1982-12-27 1985-01-22 At&T Bell Laboratories Transmitter power control circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU576719B2 (en) * 1985-02-08 1988-09-01 Nec Corporation Satellite tdma burst acqusition power levels
AU582488B2 (en) * 1985-11-29 1989-03-23 Harris Corporation Power control system for satellite communications
AU6863087A (en) * 1986-02-10 1987-08-13 Nec Corporation Radio communications system with reduced D/U ratio variations

Also Published As

Publication number Publication date
AU1036288A (en) 1988-07-21
EP0275118A2 (de) 1988-07-20
CA1288180C (en) 1991-08-27
EP0275118A3 (en) 1989-08-16
DE3881063D1 (de) 1993-06-24
US4905235A (en) 1990-02-27
EP0275118B1 (de) 1993-05-19
DE3881063T2 (de) 1993-12-23

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired